Anker Nebula Mars II Pro Portable Video Projector, Native 720P, 40-100 Inch Image TV Projector, Movie Projector with WiFi and Bluetooth

Three Modes: Auto, Battery Mode, and Standard Mode Auto: Outputs at 200 ANSI lumens when using the battery, and 500 ANSI lumens when connected to a power source. Battery Mode: Outputs at 200 ANSI lumens when using the battery and when connected to a power source. Standard Mode: Outputs at 500 ANSI lumens when battery is above 20%, and 200 ANSI lumens when battery is below 20%. Display Display Technology: 0.3″ DLP Native Resolution: 1280 x 720 (HD) Brightness: 500 ANSI lm Lamp Life: 30,000 Hours Aspect Ratio: 16: 9 Throw Ratio: 100 in at 8.73 ft; 80 in at 6.99 ft; 60 in at 5.22 ft; 40 in at 3.48 ft Offset: 100% Focus Adjustment: Automatic Keystone Correction: Horizontal and Vertical ±40° Interface HDMI: HDMI 1.4 USB: USB 2.0 DC-IN: 19V, 3A DC-In Control: Physical Buttons Dedicated App: Nebula Connect for Android and iOS Hardware CPU: Quad-Core A7 Battery: 12, 500mAh / 3.85V Speaker: Dual 10W Speakers Dual Frequency: 2.4 / 5GHz Bluetooth: BT4.0 Dual Mode / A2DP Fan: <32dB Software OS: Android 7.1 Working Modes: Projector Mode, Bluetooth Speaker Mode OTA: Supported App Store: Supported Movie Playtime: up to 3 hours in battery mode, up to 1.5 hours in standard mode Music Playtime: 30 Hours in Bluetooth Speaker Mode Charging Time: 3 Hours Note: Specifications and design are subject to change without notice.